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Boyesen Engineering
Patented Performance — The master of two-stroke and four-stroke fluid intake dynamics.
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Boyesen Engineering Subcategories (2)
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About Boyesen Engineering
Founded in 1972 by Hall of Fame inventor Eyvind Boyesen, Boyesen Engineering holds over 40 patents in fluid flow dynamics, high-flow reed valves, and racing water pump systems.
Founded
1972
Corporate Headquarters
Lenhartsville, Pennsylvania, USA
Core Product Specialties
Rad Valve Intake SystemsPro Series Carbon ReedsSupercooler Water PumpsQuickShot Accelerator Pumps
Proprietary Engineering & Standards
✓Patented dual-stage reed design delivering instantaneous throttle response across low and high RPM
✓Hydrodynamically designed Supercooler water pump impellers increasing coolant flow by up to 25%
✓Seamless aerodynamically curved intake runners eliminating airflow turbulence
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All Boyesen Engineering Products (60)
Direct supplier inventory ready for fast warehouse dispatch.
BOYESEN
BOYESEN USE 59-15671 SNOWMOBILE RAGE CAGE POWER PACK
Fuel Systems & Air Intake
$479.95
IN STOCKBOYESEN
BOYESEN USE 59-15671 SNOWMOBILE RAGE CAGE POWER PACK
Fuel Systems & Air Intake
$479.95
IN STOCK
BOYESEN
BOYESEN S/M RAGE CAGE S-D 800
Fuel Systems & Air Intake
$329.95
IN STOCKBOYESEN
BOYESEN Rage Cage
Fuel Systems & Air Intake
$274.95
IN STOCKBOYESEN
BOYESEN Rage Cage
Fuel Systems & Air Intake
$274.95
IN STOCK
BOYESEN
BOYESEN Oil Injected Rad Valve
Fuel Systems & Air Intake
$199.95
IN STOCKBOYESEN
BOYESEN Oil Injected Rad Valve
Fuel Systems & Air Intake
$199.95
IN STOCK
BOYESEN
BOYESEN Water Pump Cover & Impeller Kit
Engine Mechanical & Internals
$194.95
IN STOCK
BOYESEN
BOYESEN Water Pump Cover & Impeller Kit
Engine Mechanical & Internals
$194.95
IN STOCK
BOYESEN
BOYESEN Quick Start
Fuel Systems & Air Intake
$189.95
IN STOCK
BOYESEN
BOYESEN Pre-Mix Rad Valve
Fuel Systems & Air Intake
$179.95
IN STOCK
BOYESEN
BOYESEN Rad Valve
Fuel Systems & Air Intake
$179.95
IN STOCKBOYESEN
BOYESEN Pre-Mix Rad Valve
Fuel Systems & Air Intake
$179.95
IN STOCKBOYESEN
BOYESEN Rad Valve
Fuel Systems & Air Intake
$179.95
IN STOCK
BOYESEN
BOYESEN Power Wing
Fuel Systems & Air Intake
$129.95
IN STOCK
BOYESEN
BOYESEN Carbon Tech Reed Petals
Fuel Systems & Air Intake
$123.95
IN STOCKBOYESEN
BOYESEN Carbon Tech Reed Petals
Fuel Systems & Air Intake
$123.95
IN STOCK
BOYESEN
BOYESEN Factory Racing Clutch Cover
Engine Mechanical & Internals
$119.95
IN STOCK
BOYESEN
BOYESEN Quickshot 3 Accelerator Pump Cover
Fuel Systems & Air Intake
$119.95
IN STOCKBOYESEN
BOYESEN Quickshot 3 Accelerator Pump Cover
Fuel Systems & Air Intake
$119.95
IN STOCK
BOYESEN
BOYESEN FACTORY RACING CLUTCH COVER KAWASAKI BLUE
Engine Mechanical & Internals
$105.95
IN STOCK
BOYESEN
BOYESEN FACTORY RACING CLUTCH COVER HUSKY/KTM BLACK
Engine Mechanical & Internals
$95.95
IN STOCK
BOYESEN
BOYESEN FACTORY RACING CLUTCH COVER KAWASAKI BLACK
Engine Mechanical & Internals
$95.95
IN STOCK
BOYESEN
BOYESEN Factory Racing Clutch Cover
Engine Mechanical & Internals
$95.95
IN STOCK
BOYESEN
BOYESEN Spectra Series Factory Ignition Cover
Engine Mechanical & Internals
$87.95
IN STOCK
BOYESEN
BOYESEN Spectra Series Factory Ignition Cover
Engine Mechanical & Internals
$87.95
IN STOCK
BOYESEN
Boyesen Rage Cages
Fuel Systems & Air Intake
$84.95
IN STOCKBOYESEN
Boyesen Rage Cages
Fuel Systems & Air Intake
$84.95
IN STOCK
BOYESEN
BOYESEN Power Reeds
Fuel Systems & Air Intake
$79.95
IN STOCK
BOYESEN
BOYESEN Rad Valve Pro Reed
Fuel Systems & Air Intake
$69.95
IN STOCK
BOYESEN
BOYESEN FACTORY RACING IGNITION COVER YAMAHA PW50 BLUE
Engine Mechanical & Internals
$69.95
IN STOCK
BOYESEN
BOYESEN Dual Stage Power Reeds
Fuel Systems & Air Intake
$64.95
IN STOCKBOYESEN
BOYESEN Dual Stage Power Reeds
Fuel Systems & Air Intake
$64.95
IN STOCK
BOYESEN
BOYESEN FACTORY RACING IGNITION COVER YAMAHA PW50 MAGNESIUM
Engine Mechanical & Internals
$59.95
IN STOCK
BOYESEN
BOYESEN FACTORY RACING IGNITION COVER YAMAHA PW50 BLACK
Engine Mechanical & Internals
$59.95
IN STOCK
BOYESEN
BOYESEN Pro Power Reeds Dura Flex w/Rev Plates
Fuel Systems & Air Intake
$57.95
IN STOCK
BOYESEN
BOYESEN Rad Valve Reed
Fuel Systems & Air Intake
$45.95
IN STOCKBOYESEN
BOYESEN Rad Valve Reed
Fuel Systems & Air Intake
$45.95
IN STOCK
BOYESEN
BOYESEN M/C Reed
Fuel Systems & Air Intake
$39.95
IN STOCK
BOYESEN
BOYESEN Single Stage Super Stock Reeds
Fuel Systems & Air Intake
$34.95
IN STOCK
BOYESEN
BOYESEN Dual Stage Power Reeds Dura Flex w/Rev Plates
Fuel Systems & Air Intake
$34.95
IN STOCKBOYESEN
BOYESEN Single Stage Super Stock Reeds
Fuel Systems & Air Intake
$34.95
IN STOCK
BOYESEN
BOYESEN Rad Valve Boot
Fuel Systems & Air Intake
$29.95
IN STOCK
BOYESEN
Boyesen Carburetor Boot
Fuel Systems & Air Intake
$29.95
IN STOCKBOYESEN
BOYESEN Rad Valve Boot
Fuel Systems & Air Intake
$29.95
IN STOCK
BOYESEN
BOYESEN Rad Valve One-Piece Clamp
Fuel Systems & Air Intake
$12.95
IN STOCKBOYESEN
BOYESEN Rad Valve One-Piece Clamp
Fuel Systems & Air Intake
$12.95
IN STOCK
BOYESEN
BOYESEN Balance Boot Snowmobile
Fuel Systems & Air Intake
$9.95
IN STOCK
BOYESEN
BOYESEN Clutch Cover Gasket
Engine Mechanical & Internals
$6.95
IN STOCK
BOYESEN
BOYESEN Ignition Cover Gasket
Engine Mechanical & Internals
$5.95
IN STOCK
BOYESEN
BOYESEN Rad Valve Gasket
Fuel Systems & Air Intake
$5.95
IN STOCK
BOYESEN
BOYESEN FACTORY RACING IGNITION COVER GASKET YAMAHA PW50
Engine Mechanical & Internals
$5.95
IN STOCKBOYESEN
BOYESEN Rad Valve Gasket
Fuel Systems & Air Intake
$5.95
IN STOCK
BOYESEN
BOYESEN M/C Ign Cover Gskt Yz125 '05
Engine Mechanical & Internals
$5.95
IN STOCK
BOYESEN
BOYESEN M/C Ign Cover Gskt Yz125
Engine Mechanical & Internals
$5.95
IN STOCK
BOYESEN
BOYESEN M/C Ign Cover Gskt Yz250
Engine Mechanical & Internals
$5.95
IN STOCK
BOYESEN
BOYESEN M/C Ign Cover Gskt Rm250
Engine Mechanical & Internals
$5.95
IN STOCK
BOYESEN
BOYESEN M/C Ign Cover Gskt Rm125 01-02
Engine Mechanical & Internals
$5.95
IN STOCK
BOYESEN
BOYESEN M/C Ign Cover Gskt Ktm65
Engine Mechanical & Internals
$5.95
IN STOCK
BOYESEN
BOYESEN Factory Ignition Cover Gasket
Engine Mechanical & Internals
$5.95
IN STOCK100% FACTORY AUTHENTICATED
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